SEA to EUG flight delays & on-time performance
Nonstop flights from Seattle–Tacoma International Airport to Eugene Airport · 234 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SEA or EUG right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Seattle (SEA) to Eugene (EUG) arrived on time 85% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.3% were cancelled, and 4% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (86% on time); Alaska Airlines was the least (77%).
- Departures scheduled around 9am did best (92% on time); around 5pm did worst (76%).
- Tuesday was the most reliable day to fly (88% on time) and Friday the least (82%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (52%).
Which airline is most on time from SEA to EUG?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 86% | 1.4% | 9 min | 3.7% | 1,602 |
| Alaska Airlines | 77% | 0.9% | 11 min | 4.3% | 328 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am75%20 flights
- 9am92%263 flights
- 11am78%293 flights
- 1pm90%39 flights
- 2pm91%45 flights
- 3pm89%341 flights
- 5pm76%159 flights
- 7pm81%80 flights
- 8pm86%134 flights
- 9pm90%246 flights
- 10pm81%203 flights
- 11pm82%106 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday83%0.7% cancelled
- Tuesday88%1.4% cancelled
- Wednesday84%2.5% cancelled
- Thursday84%1.1% cancelled
- Friday82%2.1% cancelled
- Saturday86%0.4% cancelled
- Sunday85%0.7% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)52%
- Late-arriving aircraft26%
- Extreme weather14%
- Air traffic control & airport congestion8%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather48%
- Air traffic control & airport congestion40%
- Airline (crew, maintenance, cleaning, fueling)12%
- Security0%
SEA to EUG: common questions
- How often are SEA to EUG flights on time?
- 85% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Seattle to Eugene cancelled?
- 1.3% of scheduled flights were cancelled (25 of 1,930).
- How long are typical delays?
- Across all flights the average arrival delay was 10 min (early arrivals count as zero). Flights that were late arrived 56 min behind schedule on average, and 3.8% of flights were an hour or more late.
- How long is taxi time at SEA?
- Flights on this route spent 22 min taxiing from the gate to takeoff on average.
Related routes
Return trip: EUG to SEA — 88% on time
More flights from Seattle
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SEA → EUG, nonstop flights by US airlines that report to the DOT. How we calculate this.